APA (7th ed.) Citation

National Wildlife Refuge System (U.S.). (2008). Great Dismal Swamp National Wildlife Refuge. [U.S. Dept. of the Interior, U.S. Fish and Wildlife Service, National Wildlife Refuge System].

Chicago Style (17th ed.) Citation

National Wildlife Refuge System (U.S.). Great Dismal Swamp National Wildlife Refuge. [Washington, D.C.]: [U.S. Dept. of the Interior, U.S. Fish and Wildlife Service, National Wildlife Refuge System], 2008.

MLA (9th ed.) Citation

National Wildlife Refuge System (U.S.). Great Dismal Swamp National Wildlife Refuge. [U.S. Dept. of the Interior, U.S. Fish and Wildlife Service, National Wildlife Refuge System], 2008.